Method: Vips::Image#sign

Defined in:

lib/vips8/methods.rb

#sign(opts = {}) ⇒ Vips::Image

Unit vector of pixel.

Parameters:

• opts (Hash) (defaults to: {}) —

  Set of options

Returns:

• (Vips::Image) —

  Output image

# File 'lib/vips8/methods.rb', line 109